The following regression equation shows the relationship between the cost of homeowner's insurance and two variables: the home's distance from the waterfront (in miles) and the amount spent on the home's security system (in dollars).
Cost of Homeowner's Insurance = 3,000 - 300*(distance from waterfront) - 10*(amount spent on security systems)
Which of the statements below accurately describes this relationship?

After a year of reduced profits, a commuter rail service has decided to charge a premium for peak hour users. In a media statement released to the public, the rail service company claimed that consumers will benefit from this decision. In what way could consumers benefit from this pricing structure?

Which of the following histograms, each with nine observations, has a median of five? A)

B)

C)

D)

A landlocked student believes that people would prefer to live near the ocean if they could afford the additional expense. To test this, the student wants to see whether states bordering an ocean are more likely to have a larger percent of wealthy families than states without an ocean coast. The student collects data from the 50 U.S. states on the percent of families making over $200,000 a year along with whether the state has an ocean coast (where 1 means the state has an ocean coast).

Based on the regression results given below, what can be said at the 95% confidence level?

Topic 1, Business Analytic
Exhibit:

Based on the scatterplot below, which of the following correlation coefficients BEST describes the relationship between undergraduate GPA and beginning annual salary?